/Engine/Source/Runtime/AIModule/Classes/BehaviorTree/Decorators/BTDecorator_Blackboard.h
using custom serialization version was not possible since we require blackboard and used types (e.g. UserDefinedEnumerations) to be loaded and keys to be resolved (i.e. InitializeFromAsset).
void RefreshEnumBasedDecorator ( const [FBlackboardEntry](API\Runtime\AIModule\BehaviorTree\FBlackboardEntry) & Entry )